Abstract
Abstract Tibetan Plateau lakes are diverse in basin morphology, water chemistry and geological history. Limnological parameters including salinity, ion composition and water depth are closely linked to climatic conditions in this continental, alpine and relatively dry part of Central Asia. Analyses of Quaternary ostracods focused initially on the biostratigraphical assessment of lacustrine sediments of the Qaidam Basin for oil and gas exploration, but more recent palaeoenvironmental and palaeoclimatic studies have focused on lakes Qinghai and Nam Co. Stratigraphical and palaeoenvironmental inferences have been made from analyses of ostracod assemblages, stable isotopes and trace element ratios of ostracod shells and shell length variations. Consideration of species’ ecological characteristics facilitates the use of ostracods as indicator taxa and the application of transfer functions for quantitative palaeoenvironmental reconstructions. Ostracod shell chemistry has been used successfully in environmental and climate-change studies, but assemblage composition data have provided the clearest evidence for sometimes dramatic hydrological changes.
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